If you are on Linux you could just create a file in tmpfs (i.e. RAM). Use a File Sink with a file in "/dev/shm" for instance (see "man mount" to configure tmpfs). Of course you then probably need a lot of RAM (or can capture only small durations). But it is much faster than disk I/O...
Müller, Marcus (CEL): > I'll simply pull the stereotypical software guy card: > > Then you'll need get faster storage, and probably a faster PC. > > Really, run an analysis ("perf top -ag" is an excellent tool for that) > where your computer is stuck spending most of its time during > operation. Optimize your resources where it matters. > > Best regards, > Marcus > > On Thu, 2019-07-18 at 14:44 +0530, SG wrote: >> I agree the problem is the amount of samples so I have dropped the idea >> of storing samples but is there a way to handle such sampling rates in >> gnuradio? I would like to know the time stamp of the data received which >> i am unable to access using tag debug. I don't know why but it suddenly >> stops displaying timestamps on the console while displaying the data >> decoded by wifi rx. >> >> Is there any other way to record timestamps of reception ? >> >> Thanks and Regards >> >> SG >> >> On 18/07/19 2:34 PM, Müller, Marcus (CEL) wrote: >>> The problem is not the metadata, the problems is the sheer amount of >>> samples. >>> >>> Best regards, >>> Marcus >>> On Thu, 2019-07-18 at 13:18 +0530, SG wrote: >>>> Hi, >>>> >>>> Thanks for your reply. >>>> >>>> Now that since metadata can't be saved to a file, how can we keep track >>>> of timestamp of the received packets? I can use tag debug to display the >>>> timestamps of received signal but when flowgraph starts demodulating >>>> data it looses track of timestamp display on console. Is there a way to >>>> save timestamps or display timestamps without fail on console. >>>> >>>> Thanks and Regards >>>> >>>> SG >>>> >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio